Section 46
Chapter 45,037

A case of generalized disseminated atypical mycobacteriosis caused by M. avium complex with a giant gravitation abscess

Kawaguchi, H.; Torii, Y.; Senda, Y.; Totani, Y.; Suzuki, M.; Ooshika, H.; Wakayama, H.; Ito, Y.; Noguchi, M.

Kekkaku 69(2): 77-82


ISSN/ISBN: 0022-9776
PMID: 8126992
Accession: 045036541

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A case of generalized disseminated atypical mycobacteriosis caused by M. avium complex (MAC) was reported. The case was a female of 52 years of age. She was admitted to our hospital due to high fever and polyarthralgia. Her chest X-ray and CT scan revealed infiltrative shadows in the right S2b and S4 segments, and multiple accumulation shadows were seen on osteoscintigraphy. Pus aspirated from a lesion of the right fifth rib were acid-fast bacilli positive by smear (Gaffky v). The administration of four drugs, INH, RFP, EB and SM, was introduced, then corticosteroid was added, and the case became afebrile. Later, acid-fast bacilli were also isolated from bronchial washing and aspirated specimen from bone marrow, and all of them were identified as MAC. Based on these findings, the case was diagnosed as generalized disseminated mycobacteriosis. After several months remission, tenderness over the fifth lumbar vertebra deteriorated, and MRI scan on lumbar vertebrae showed high-intensity area both on T1-weighted and T2-weighted images. MAC was isolated from the pus of the fifth lumbar vertebra. Lumbar lesions deteriorated gradually, and a giant gravitation abscess which involved right ilium was revealed by CT scan of the pelvis. In spite of vigorous treatment including chemotherapy, aspiration of pus and drainage, general condition of the case deteriorated, and the case finally died of renal insufficiency.

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